UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'AelmYXepXdOOCG/ZUCdxwjzjsjMBfgUXz5Dy10d9Kuw=' 
WHERE 
  key_id = '5afb94303ac2475f2024dfa04c936de7de77ca6b4c25bf847aba7073a52aa1c3' 
  AND (
    token = 'AelmYXepXdOOCG/ZUCdxwjzjsjMBfgUXz5Dy10d9Kuw=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )